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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Civic Affairs weather desk. Data from national met services via Open-Meteo.
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Check the live forecast above before heading out, as Southampton’s coastal position means conditions can shift quickly from sunshine to showers. This page gives you the practical details for planning your day, week, or season.
What is the weather like in Southampton today and tomorrow?
Southampton’s weather is shaped by the Solent and the English Channel, often bringing milder winters and cooler summers than inland areas. For the weather in Southampton tomorrow, expect the live forecast above to show a similar pattern: a mix of cloud and brighter spells, with a chance of light rain at times. Wind speeds are typically moderate, so a light jacket is often useful.
How do longer-range forecasts work for Southampton?
For planning ahead, the weather in Southampton 10 days gives a reliable trend, but accuracy drops after that. A 14 day weather forecast Southampton or a 21 day weather forecast Southampton can indicate broad shifts—like a settled spell or a cooler snap—but not exact daily conditions. For the most precise view, check the southampton weather forecast 15 days from the Met Office, which updates regularly.
For a broader view, southampton weather by month shows that spring (March–May) is often changeable, while summer (June–August) brings the warmest and sunniest conditions. If you need the full picture, southampton weather yearly averages reveal a temperate maritime climate with no extreme highs or lows—ideal for outdoor plans most of the year.
When is the best time to visit Southampton for good weather?
Late spring (May) and early summer (June) offer the best balance of warmth and lower rainfall. July and August are warmest but can be busier, while autumn sees more rain. Check the 10 day weather forecast UK before booking.
Does Southampton get fog often?
Yes, especially in autumn and winter. The city’s coastal location and nearby rivers can create sea fog or radiation fog, reducing visibility. Morning fog often clears by midday, but check the live forecast above for local updates.
How does Southampton’s weather compare to other UK cities?
Southampton is generally milder than inland cities like Birmingham Weather or Sheffield Weather, but less sunny than the south coast. It tends to be wetter than Bristol Weather in winter, but with fewer frost days overall.